DP Physics (last assessment 2024)
Question 18M.2.SL.TZ1.6c.iii
| Date | May 2018 | Marks available | [Maximum mark: 2] | Reference code | 18M.2.SL.TZ1.6c.iii |
| Level | SL | Paper | 2 | Time zone | TZ1 |
| Command term | Calculate | Question number | c.iii | Adapted from | N/A |
c.iii.
[Maximum mark: 2]
18M.2.SL.TZ1.6c.iii
The radioactive nuclide beryllium-10 (Be-10) undergoes beta minus (β–) decay to form a stable boron (B) nuclide.
An ice sample is moved to a laboratory for analysis. The temperature of the sample is –20 °C.
(c.iii)
Calculate the peak wavelength in the intensity of the radiation emitted by the ice sample.
[2]
Markscheme
= 1.1 × 10–5 «m»
Allow ECF from MP1 (incorrect temperature).
[2 marks]
